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Groovy: A powerful, dynamic language for the JVM

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/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package groovy.lang;

/**
 * Distinguish a parameter array from Object[].
 *
 * @author Pilho Kim
 */
public class ParameterArray {

    private Object parameters;

    public ParameterArray(Object data) {
        parameters = packArray(data);
    }

    private static Object packArray(Object object) {
        if (object instanceof Object[])
            return (Object[]) object;
        else
            return object;
    }

    public Object get() {
        return parameters;
    }

    public String toString() {
        if (parameters == null)
            return "";
        return parameters.toString();
    }
}